Alcator C-Mod Edge Turbulence Near X-Point

C-Mod Edge Turbulence Near the
Lower Divertor X-Point (2007)

View of the edge turbulence just above and outside the X-point region of the lower divertor in C-Mod. These images are taken in Dalpha light at 150,000 frames/sec with a Phantom 7.3 camera. The separatrix is shown by the diagonal orange line - radially outward is to the right, and the divertor floor is downward. The image contained within the box is ~ 6 cm x 6 cm. The time is shown in seconds at the upper right of each frame.

(images taken by J. Terry and S. Zweben)

Videos made in "mpeg" format at 150,000 frames/sec unless noted

The videos can be viewed using QuickTime Player.
A free version of QuickTime Player can be downloaded from Apple's web site.

Inner wall limited shots (5.4-6.8 T, 0.8-1.0 MA)
Shot 1070504001
Shot 1070504002
Shot 1070504005
Shot 1070504006

Diverted shots, (5.4T, 0.8 MA)
Shot 1070517005
Shot 1070517010
Shot 1070517013
Shot 1070517017

Diverted shots, double-null (5.6T, 0.8 MA)
Shot 1070518006
Shot 1070518009
Shot 1070518012
Shot 1070518018

Diverted shots, lower single null, (5.4T, 0.6-1.0 MA)
Shot 1070620009
Shot 1070620020
Shot 1070620025
Shot 1070620027
Shot 1070620030

Diverted shots, lower single null, (5.4T, 0.8 MA)
Shot 1070621004
Shot 1070621013

Diverted shots, lower single null, (5.4T, 0.8 MA)
Shot 1070628012
Shot 1070628015
Shot 1070628023

Downloading the Video to a Mac using Netscape Communicator:

Click and hold down the mouse on the video link.
When the options appear, select "Save this Link as ..."
In the dialogue box, select "Source" as the format,
choose where you want the file saved to, e.g, the desktop, and
click the "Save" button.

Downloading the Video to a Mac using Internet Explorer:

Click and hold down the mouse on the video link.
When the options appear, select "Download Link to Disk"
Click the "Save" button.

Downloading the Video to a PC:

Right click the mouse on the video link.
In the dialogue box, "Save Target as ..."

The Princeton Plasma Physics Laboratory
is funded by the U.S. Department of Energy
and managed by Princeton University.

Return to: Zweben Home Page